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Contract OI history

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Feb 19, 2027 EXPIRATION

WMB $75.00 Put

WMB270219P00075000

Latest saved OI237Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $75.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2371180 2026-10-02: 177 OI2026-10-05: 177 OI2026-10-06: 177 OI2026-10-07: 177 OI2026-10-08: 180 OI2026-10-09: 180 OI2026-10-12: 180 OI2026-10-14: 184 OI2026-10-15: 237 OI2026-10-16: 237 OI2026-10-21: 237 OI2026-10-23: 237 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WMB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262370
Oct 21, 2026Viewing2370
Oct 16, 20262370
Oct 15, 2026237+53
Oct 14, 2026184+4
Oct 12, 20261800
Oct 09, 20261800
Oct 08, 2026180+3
Oct 07, 20261770
Oct 06, 20261770
Oct 05, 20261770
Oct 02, 2026177No prior observation